ProShares UltraShort Industrials (SIJ) Short Interest Ratio & Short Volume

Short interest is the volume of ProShares UltraShort Industrials shares that have been sold short but have not yet been closed out or covered. As of May 15th, traders have sold 200 shares of SIJ short. Learn More on ProShares UltraShort Industrials' current short interest.

ProShares UltraShort Industrials saw a decline in short interest in May. As of May 15th, there was short interest totaling 200 shares, a decline of 50.0% from the previous total of 400 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

Here is how the short interest of companies compare to ProShares UltraShort Industrials: Gabelli Commercial Aerospace & Defense ETF (0.09%), Direxion Daily Transportation Bull 3X Shares (0.94%), ProShares Ultra Industrials (1.09%), First Trust Nasdaq Transportation ETF (0.09%), Direxion Daily Industrials Bull 3X Shares (0.47%), SonicShares Global Shipping ETF (2.92%), Invesco S&P SmallCap Industrials ETF (0.23%), First Trust Indxx Aerospace & Defense ETF (0.10%), DJ Brookfield Global Infrastructure ETF (0.27%), SPDR S&P Transportation ETF (0.98%),

As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks.

Short selling SIJ is an investing strategy that aims to generate trading profit from ProShares UltraShort Industrials as its price is falling. SIJ shares are trading down $0.13 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for ProShares UltraShort Industrials occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of SIJ, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including SIJ, twice per month. The most recent reporting period available is May, 15 2025.